If the packing is too big, you squash it a bit so that it will fit into the housing. amazon_ad_tag="nhknives-20"; After the gland packing has been inserted in the pumps (both reciprocating and rotary) the pump must be allowed to run with a moderate leakage for ten minutes and after that start tightening the nuts one turn every five minutes. For shafts of size 16 to 28 mm diameter the gland packing of size 8 mm is used. The gland packing should be cut with a sharp knife to avoid fraying of the edges. If you rent a moving truck that is too small, you may be in the midst of a moving nightmare. Propeller Guide: Utilize our best in class boat propeller guide to find the correct propeller for your Outboard, Ski/Wake, or Stern Drive marine engine. } Whatever size the item or package will be when it’s shipped will be what you input here, including any extra padding or wiggle room you choose to have. amazon_color_logo="FFFFFF"; (adsbygoogle = window.adsbygoogle || []).push({}); Advantages compared to other sealing methods: • Lower cost than a PSS or similar "maintenance-free" stuffing box replacement. Compress with the gland to ascertain that it goes inside evenly. Have prop shaft out, gland apart. amazon_ad_height="90"; Determining the tip thickness of a golf club shaft is important when installing a new shaft in a clubhead. A shaft with a 3-degree torque will feel much stiffer than a 5-degree torque, for example. As such, it's important to make sure you select the proper shaft length. amazon_ad_title="Hunting and Fishing"; //--> As a rule hammering should be avoided as it damages the gland packings and should only be resorted to in an emergency, when the correct size packing is not available. I don't pay attention to measurements or what it says on the package. Make sure you are buying the right golf shaft for … Before you get started, you will need a couple of wrenches to loosen and tighten the nuts. The figure obtained must be divided by 2 to get your gland packing size. if (document.selecter1.select1.options[document.selecter1.select1.selectedIndex].value != "none") Braided flax fiber that has been thoroughly lubricated with tallow & wax. if (document.selecter4.select4.options[document.selecter4.select4.selectedIndex].value != "none") Sometimes in sea water pumps when the packings are not coming out, a little opening of the sea water suction valve would push out the packing with ease due to the water pressure. Therefore, packing that will operate at the higher tem-peratures should be used. Estimating 2 food deep there will not be much water incursion, in fact water was pouring in with packing in place. { As an example scenario, let’s say you’re selling movie poster One Sheets – laid out, these posters are 27″ wide, 41″ tall, and 0.01″ thick. } What part of GALE WARNING did you not understand? • Far easier and therefore less expensive installation. { In places where there is an accessibility problem it is best to cut the gland packing straight. This negligent attitude results in leakage and scored shafts. I have a 2" shaft and just converted to Gore packing and used 5/16". Butt joint and the second one is at 45 degrees i.e. (Inside diameter of shaft log - shaft size)/2; or use Bill's idea and measure with a drill bit. Then add 16" (for MotorGuide) or 20" (for Minn Kota) and select the next closest measurement. Inboard Propeller Sizings & Prop Guide for Outboards, Sterndrives, and Ski/Wake engines. have two 1000 gph bilge pumps so do not see any problem. Things we have learned over the years when using conventional packings are: When good and easy access is limited or difficult, NEVER USE the nut-type glands as the adjustment requires two-hands … if (document.selecter2.select2.options[document.selecter2.select2.selectedIndex].value != "none") (adsbygoogle = window.adsbygoogle || []).push({}); Okay, here is a really basic one. Otherwise it would seize the shaft leading to overheating and burning of the packing, as well as increasing the load on the shaft and the motor. amazon_ad_width="728"; In case it is not possible to smooth the surface, the sleeve must be changed at the next possible opportunity. If it comes out as shapeless wads of fluff, then measure the space between the shaft and the inside of the packing nut to determine the correct flax size. The likelihood of a 2006 needing new packing is slim to none. If the packing is too small, then tightening the housing screws wads the packing up so that it stops the leak. Now is a good time to polish the shaft with some wet/dry sandpaper. amazon_ad_height="90"; All Rights Reserved. Use a set of calipers to make sure your “jig” of choice is the same O.D. April-15-2005 I want to install gore packing on my shafts. My shafts are 1 1/4" and the packing size is 3/16". You guys are right. Other sizes available on special order. http://www.buckalgonquin.com/pages/ProductPages/drivetrain/PB_standard_spud_page.html. "The solution to this problem, when found, will be obvious.". Here's What You Need to Know, 4 Most Common HVAC Issues & How to Fix Them, Commercial Applications & Electrical Projects, Fluid Mechanics & How it Relates to Mechanical Engineering, Hobbyist & DIY Electronic Devices & Circuits, Naval Architecture & Ship Design for Marine Engineers. They just have to be twisted to get a grip and then the packings can be pulled out. { The following are the cautions and the instructions while installing new gland packings. Even if off somewhat; shouldn't be off enuff to take you to next diameter of packing. Knowing the tip thickness will determine whether or not the shaft will fit appropriately into the hosel of the clubhead. If you have the owners manual and OEM list, you can find the … Its easy to determine which size GFO fiber packing you need. As a number of packings are available, the field of selection is very wide. What Capt. In case the instruction manual is not available, then the correct size of the packing can be determined from a simple method. It so simple that nobody thinks of it! amazon_ad_link_target="new"; It is prudent to consult the manufacturer’s manual about the type of gland packing to be used. thanks for your help. } { Inboard Sizing: Choosing the right propeller for your boat requires several pieces of information to allow us to give you the best suggested propeller size for your boat and engine … Info - OEM Shaft Replacement Guide Replace Your OEM Shafts Properly! ` Shaft speed comparisons Shaft size in inches RPM Speed in FPM 1 1800 450 1 3200 850 1 3600 1050 2 1800 900 2 3200 1700 2 3600 1800 3 1800 1400 3 3200 2500 3 3600 2800 Copyright © 2020 Bright Hub PM. Prop Guide:Use our revoluntionary boat propeller guide to find the perfect boat prop for your outboard, stern drive, or ski/wake marine engine. The most accurate is to measure the size of the shaft and calculate its perimeter or circumference. Gland packing once used must not be reused and never try to reverse a gland packing as the old packing must have lost its properties in service. A valve is only good if its sealing is good and a leaking sealing arrangement amounts to a leaking valve with all its associated faults. But it should be done very cautiously as you can flood the bilges and you must shut it promptly. or bore and width. The taper method gives better sealing but is more difficult and skill oriented and the angle on both the ends should match properly or otherwise it would lead to more leakages. Just measure distance between A and B. You just don't want to do the adjusting any more than necessary. } Bill said, I for one think that's worth a twenty. I've replaced packing countless times. Click on the links below to view the OEM shaft replacement guides for each of the major manufacturers in the industry. ... Also I think I need the 3/16" size packing. } amazon_ad_tag="boatfixnet-20"; location = document.selecter3.select3.options[document.selecter3.select3.selectedIndex].value I measured the shaft and bore just for curiosity and the shaft is exactly 1" and bore of box is 1.0165 inch. Multiply the diameter of your shaft by 14 to get the approximate number of inches you need for 4 layers of new packing — usually sufficient. Also sometimes the packings do not go in the stuffing box spaces easily and they have to be hammered to make them a little thinner thus elongating them in return. The correct size of the packing should be referred from the instruction manual or measured. I've replaced packing countless times. }. 5. This factor must also be considered in giving some gap. Please remember that a little leakage of about ten drops a minute is required for the lubrication and the cooling of the gland packings. } It is most likely 5/16" but could be 1/4" or 3/8", if you back off the packing nut completely so that you can see the end of the stuffing box you can measure the space between the inside bore of the packing gland and the shaft. Some types of packing swell a little on contact with water. That would make the perimeter 157.07 millimeters. What size flax packing do I need? Gland Packing details: https://www.roymech.co.uk/images/gland_packing.gif, Packing Extractor: https://lh6.ggpht.com/_rD7JWhpQBzk/Sf28xL_w-lI/AAAAAAAAAkU/mymqhM3aNCU/Gland+packings%E6%B8%85%E9%99%A4%E5%99%A83.JPG, A guide to Gland Packing discusses the different uses of gland packings in the engine room, how to measure, cut, remove and insert the gland packing,their properties, selection, the need of lantern rings, the cautions and the precautions in the use of gland packing in Engine room of a merchant ship, Guide to Gland Packing for Ship's Engine Rooms, Use a Rectangular Weir to Measure Water Flow Rate in an Open Channel. If the shaft is often moved axially, such as with many paper refiners, packing is often the only option … Modern variations on the … function go6() Fit each packing one by one with lots of lubricant and do not forget to stagger the same by 90 degrees each. Remember that a gland packing is not supposed to completely prevent leakage of the fluid, a small leakage of about ten drops a minute is required for lubrication and cooling. as your prop shaft and then cut away. Do you recommend using the regular flax packing or the Gore graphite packing. { function go5() If these are at all wasted, bent, or damaged, you may need a replacement shaft. Also inspect the shaft where the original packing rubbed on the shaft. function go2() location = document.selecter5.select5.options[document.selecter5.select5.selectedIndex].value Gland packings are made of the combination of the materials discussed earlier and are manufactured in plaited, braided, twisted, jacketed, corrugated foil, foil wrapped deformable core, and full foil form. I don't know if shafts have been replaced with a smaller diameter but that would be unusual to say the least. I have a new 1" shaft. There is no single gland packing that can handle all kinds of fluid or which is suitable for all types of valves and applications. I bought 2' sections of 1/4" and 3/16", hope one of them are right! Slightly tighten the gland till a little resistance is felt in the turning of the shaft by hand. Radial Lip Type – Size by shaft, O.D. For measuring the gland packing size the following methods can be used. if (document.selecter3.select3.options[document.selecter3.select3.selectedIndex].value != "none") Its width measures 1/8 to 5/8 of an inch. Generally, you will want a shaft length that is equal to or greater than this sum, but not less. Usually, I take the old packing to the store, physically match it to the nearest size and buy a bunch of that. { Put the new gland packing on the shaft circumferentially or on a template and then mark and then cut the required length. location = document.selecter6.select6.options[document.selecter6.select6.selectedIndex].value Radial/axial motion and misalignment: Most mechanical seals tolerate very little radial movement or misalignment, and little to no axial movement.
2020 what size shaft packing do i need